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JPL Small-Body Database Browser
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295978 (2008 YR40)
Classification: Main-belt Asteroid          SPK-ID: 2295978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06067721854663739 5.1282e-08  
a 2.749984282373327 3.1115e-08 au
q 2.583122885071943 1.5216e-07 au
i 6.750857194703389 5.6335e-06 deg
node 87.43852713505723 5.8664e-05 deg
peri 239.0194110729022 8.9701e-05 deg
M 338.2983241818519 7.0344e-05 deg
tp 2459100.911745155906
(2020-Sep-08.41174516)
0.00032552 TDB
period 1665.688334810394
4.56
2.827e-05
7.74e-08
d
yr
n .2161268662789663 3.6681e-09 deg/d
Q 2.916845679674712 3.3003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6100 days (16.70 yr)  
   first obs. used      2002-09-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:44:04  

Additional Information
 Earth MOID = 1.57844 au 
 Jupiter MOID = 2.28136 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437322  

295978 (2008 YR40)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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